Add 56/16 and 42/84, Solve 3 8/16 + 42/84 as a fraction

Add 56/16 and 42/84

1^st number: 3 8/16, 2^nd number: 42/84

56/16 + 42/84 is 4/1.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 16 × 21 = 336,
56/16 = 56 × 21/16 × 21 = 1176/336
Likewise, for the 2nd fraction, since 84 × 4 = 336,
42/84 = 42 × 4/84 × 4 = 168/336
Add the two like fractions:
1176/336 + 168/336 = 1176 + 168/336 = 1344/336
1344/336 simplified gives 4/1
So, 56/16 + 42/84 = 4/1

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